Endoscope insertion unit, endoscope and endoscope system
US8465419B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Aug 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is an endoscope system comprising an endoscope provided with a distal end inserted into a subject body and a proximal end having a site capable of being held by a physician and provided with an endoscope insertion unit having a first flexible portion arranged on the distal end thereof and a second flexible portion coupled to the proximal end of the first flexible portion and provided with a site having an outer diameter larger than a site having the maximum outer diameter of the first flexible portion; and an endoscope insertion assisting device, in which the inner diameter of a distal opening of an insertion hole through which the endoscope insertion unit is inserted is substantially equal to the outer diameter of the second flexible portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.